Quad9

Quad9 | A public and free DNS service for a better security and privacy A public and free DNS service for a better security and privacy

quad9.net/news/blog/pr...

A hand holds a megaphone against a bold red background, with a speech bubble stating, "WE NEED YOUR HELP."

Protecting Millions in Asia: A Call for Regional Threat Intelligence Partners

Remember - sharing is caring! 🫶

#DNS #threatintel #Asia #infosec #partnership

Line graph showing the volume of Quad9 blocks to Mozi Botnet and React2Shell exploit domain from February 5 to 9, 2026, with fluctuating values.

Seeing a high volume of blocked #DNS queries to the domain linked to the #Mozi botnet & the #React2Shell exploit. This identified malicious domain is provided by our #threatintel partner, ThreatSTOP.

Our proactive DNS filtering is currently preventing these connections to keep you secure.
#infosec

If you want, we could help you troubleshoot the issue if you want to submit a ticket via email to support@quad9.net.

Good morning! The FP is now resolved 😊

As for the error you encountered with the support form on the website, can you give me more detail on what error you encountered please? I am testing it this morning, and it has functioned properly for me. What browser? What did the error message say? OS? 🙏

And sorry for your trouble! We appreciate you 🙏

The email will work. I also did raise to our team, but submitting creates a ticket we can track and report back on. 😊

Do you mind please reporting through our support? Support@quad9.net

Graphic of the "Quad9 H2 2025 Cyber Insights Report" featuring a tech-inspired background with circuit-like designs.

The latest Quad9 Trends report with insights from our Director of #ThreatIntel for H2 2025 👉 quad9.net/news/blog/tr...

#DNS #infosec #mirai #omnatour #malvertizing #crowdstrike

Every day is #DataPrivacyDay at Quad9!

#DNS #privacy #infosec

Oh no!!! 😮😸

iOS 14 and later (Encrypted) - Quad9 Documentation

Quad9 has new DNS over HTTPS and DNS over TLS .mobileconfig profiles for iOS/MacOS for January 2026 <-> January 2027.

Download the profiles here:
docs.quad9.net/Setup_Guides...

#infosec #DNS

Good morning #Dallas! We have made the required changes and are monitoring DFW to ensure the issue is fully resolved. uptime.quad9.net

Thanks for your patience!

Heads up to our friends in #Dallas (DFW). We've identified an issue affecting the service which will require the PoP to go offline for up to 2 hours tomorrow (Jan 15th).

For more details please check our status page uptime.quad9.net

We apologize for the service degradation and inconvenience!

Two children stand side by side, wearing shirts from the "Kids Collection" featuring the text "quad9" and "Future Internet Defender."

What's new on the #quad9merch shop?

We've started a collection for the world's "Future Internet Defenders" 👉 quad9-shop.fourthwall.com/collections/...

Check it out! 😻

Please send the details in to our team at support@quad9.net so they can look into it for you.

A festive graphic featuring a city skyline silhouette with colorful fireworks and the text "2026 Happy New Year" by Quad9.

Wishing everyone a happy and healthy new year, filled with #internetintegrity! 🫶

Notice for scheduled system maintenance with a message encouraging patience during the process, featuring the logo for Quad9.

Good morning #Chicago! Our ORD site is undergoing some maintenance this morning to improve our service. 🔧

Thanks for your patience!

Promotional graphic for SplinterCon: Paris, December 8–10, 2025, exploring sovereignty with the theme: autonomy or isolation?

We're off to #SplinterCon in Paris 🇫🇷 next week! ✈️

We'll be showcasing the Quad9 Event Dashboard (QED) built on the Globe of Wonder (github.com/Quad9DNS/Glo...) and doing a lightning ⚡ talk or two!

Give us a shout if you'll be around!

#DNS #infosec #internetintegrity #encryption

Should all be good now, but we're monitoring just in case!

Just posted about this:

Heads up to our friends in the #UK - we're performing maintenance at the LHR site which should be completed in ~ another 4 hours. We're sorry for the inconvenience!

Heads up to our friends in the #UK - we're performing maintenance at the LHR site which should be completed in ~ another 4 hours. We're sorry for the inconvenience!

This #GivingTuesday, please consider making a donation to continue our work to sustain a public-benefit cybersecurity service that puts users first, not profit.

👉 quad9.net/donate/

#DNS #privacy #infosec #internetintegrity

#ICYMI: Quad9 will be discontinuing support within DNS-over-HTTPS (DOH) using HTTP/1.1 in just 2 weeks!

#infosec

Need a safer way to browse without putting your system at risk?

In this clip, we look at Kasm, a sandboxed browser environment built for security and convenience. It’s perfect for testing unknown sites, isolating risky tasks, or keeping your main system squeaky clean.

youtu.be/TbtGd3lWc4M

A close-up of a golden fountain pen poised over handwritten notes, with 'quad9' logo prominently displayed.

Urgent Call for EU Legislative Protection of Core Internet Security Infrastructure

A letter from our General Manager, Simon Forster.

quad9.net/news/blog/ur...

#DNS #internetfreedom #EU #infosec

A bold, bright pink number nine of the Quad9 logo, featuring a globe in the center with a heart symbol, representing global generosity and giving for Giving Tuesday.

#GivingTuesday is only a week away! Join the global movement on December 2 and consider supporting the Quad9 mission to provide a safer and more robust internet for everyone.

A free and secure internet is a basic human right. 🫶

#internetfreedom #internetintegrity

#ICYMI this week...new designs added as well.

Sylvie LaPerrière, with long, straight hair wearing a brown vest and a black top, poses against a light background with a large pink number 9 of the Quad9 logo in the upper right corner.

Quad9 welcomes global governance and digital infrastructure leader Sylvie LaPerrière to our governing board.

quad9.net/news/press/s...

#DNS #privacy #integrity

Graphic with a pink-to-dark gradient background featuring the text ‘Support Quad9.’ Below a horizontal line, it reads: ‘Visit Quad9's new merch shop to support our cause and be dressed to the 9s!’ The URL ‘quad9-shop.fourthwall.com’ appears at the bottom. The Quad9 logo includes a stylized ‘9’ with sparkles.

Welcome to our first ever merch shop 🛒, starting with the classics that never go out of style!

We have more ideas in the queue for designs and products, so stay tuned!!

You can check it out here: quad9-shop.fourthwall.com

** Discount code QUAD9BDAY expires Dec 17th **

#quad9merch #dresstothe9s